| Company | Timeline | Status | |
| Squircle It Limited Director • It Consultant | 4 Apr 2016←9 Years→Current | Active | |
| Protologic Limited Director • It Consultant | 13 Oct 1999←22 Years→3 Dec 2021 | Active | |
| Protologic Limited Secretary • It Consultant | 13 Oct 1999←22 Years→3 Dec 2021 | Active | |
| Computer Communications Limited Director • Product Development Director | 1 Apr 1997←5 Months→1 Sep 1997 | Active | |
